Adeyemo, SO;
Kar, S;
Zhang, Y;
Liu, H;
Joyce, HJ;
(2019)
Enhanced performance of InAsP nanowires with ultra-thin passivation layer.
In:
Proceedings of the 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
IEEE
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Abstract
Surface passivation with a higher band gap shell has been shown to successfully reduce the density of surface states at the surface of nanowires. The effect of ultra-thin InP passivation layers of thicknesses ~3-5 nm coated on InAsP nanowires is investigated and compared to bare InAsP nanowires. The ultrathin passivation exhibited an improvement in carrier lifetime and mobility by approximately a factor of 3. Surface recombination velocity was decreased by at least a factor of 3.
| Type: | Proceedings paper |
|---|---|
| Title: | Enhanced performance of InAsP nanowires with ultra-thin passivation layer |
| Event: | 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) 2019 |
| Location: | Paris, France |
| Dates: | 1st-6th September 2019 |
| ISBN-13: | 978-1-5386-8285-2 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/IRMMW-THz.2019.8874492 |
| Publisher version: | https://doi.org/10.1109/IRMMW-THz.2019.8874492 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Nanowires, Passivation, Indium phosphide, III-V semiconductor materials, Radiative recombination, Photoconductivity, Photonic band gap |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10086953 |
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